baber/WOPTO huggingface dataset:
Patent NO-172468-C (NO)
Inventor: WENDEL WOLFGANG
IPC: H03H7/48
Filed: 1989-06-22
Abstract: In known directional coupler-distributors for the wide-band coupling-out of a part of the radio-frequency signal energy transmitted via a main line, which consist of at least two cascaded single distributors, at least one of which is constructed in directional coupler technique with a current and a voltage transformer and an internal terminating resistor (R) which is connected to earth at one end, branch attenuations of </= 13 dB cannot be achieved or only to a slight extent and with considerable circuit expenditure with adequate decoupling of the output (A) from the branch connection (AB) and good values for transmission loss and return losses. To avoid these disadvantages in as simple and inexpensive a manner as possible, it is provided in accordance with the invention that the internal terminating resistor of each directional-coupler single distributor be formed by its branch impedance by connecting its branch connection (2, 35) to that of the immediately preceding single distributor, that the branch of the last directional coupler single distributor is the only branch connection (AB) and that all currents coupled out of the current transformers (Ü1, Ü2, Ü4) have at least approximately the same phase.
Patent NO-175063-C (NO)
IPC: C08F16/16
Filed: 1990-10-24
Abstract: Crosslinkable copolymer containing the residues from copolymerisation of a fluoro monomer, of a hydroxylated allyl ether and of a vinyl ether, characterised in that: 
 
  a) the fluoro monomer residues originate from the combined use of vinylidene fluoride and of tetrafluoroethylene, 
  b) the allyl ether residues originate from one of the compounds of formula: 
<IMAGE>
 
 
  R being: CH2OH 
  R1 being: H or CH3 
  R2 being: 
<IMAGE>
 
  with "p" a number chosen from 0 to 3 
  and X being (CH2)q-O 
  with "q" a number chosen from 1 to 3, 
  R5 and R6, which are identical or different, being chosen from CH2OH, CH2-CH2-OH, CH3, C2H5 
  R3 and R4 being H or OH, but not simultaneously H, and 
  "n" and "m", which are identical or different, being numbers chosen from 0 to 2. 
 
  c) the vinyl ether residues originate from one of the compounds of formula: CH2=CH-O-R7, in which R7 is a linear or branched or cyclic alkyl radical. 
 
<??>This crosslinkable copolymer is obtained by solution copolymerisation in an organic solvent. In solution in a suitable solvent, this copolymer is employed in paints and varnishes.
Patent AU-738666-C (AU)
Title: System and method for controlling of vehicles
Inventor: SEGEREN PATRICK HUBERTUS FRANC
IPC: G05D1/02
Filed: 1998-08-04
Granted: 2002-08-08
Abstract: The invention relates to a system for simultaneously navigating two or more vehicles over a surface of relatively limited dimensions at relatively high speed and/or densities of the vehicles. A central control unit has a computer with memory and a transmitter/receiver for communication with each of the vehicles. Marker elements are arranged on or above the surface and mark the position relative to the surface. The two or more vehicles have drive elements, steering elements, navigational devices, transmitter/receivers and sensor means for sensing the position relative to the markers. The central control unit uses time as well as the sensed position in controlling the vehicles on the surface to precisely control the traffic.
Patent CA-2000900-C (CA)
Inventor: KREITZBERG JOHN S
IPC: E02F9/28
Filed: 1989-10-17
Granted: 1994-09-20
Abstract: METHOD OF INSTALLING A MINING TOOTH POINT            ABSTRACT OF THE DISCLOSURE:         A tooth point having key slots top and bottom wherein the rear walls of the slots are outwardly convergent relative to the front walls to permit receipt of a curved locking pin.
Patent CA-2004027-C (CA)
Title: Organosiloxane compositions
Inventor: JENSEN JARY D
IPC: C08L83/04
Filed: 1989-11-28
Granted: 1999-05-11
Abstract: The presence of a vinyl-specific peroxide in liquid organosiloxane compositions curable to elastomers by a platinum-catalyzed hydrosilation reaction imparts excellent recovery properties to the elastomers without requiring post-curing.  To avoid premature curing the compositions are preferably stored and transported in at least two parts, where the organohydrogensiloxane curing agent and the hydrosilation catalyst are located in different parts of the composition.
Patent CA-2004234-C (CA)
Inventor: OOHASHI KEIJI
IPC: C03C25/106
Filed: 1989-11-30
Granted: 1994-04-19
Abstract: ABSTRACTS OF THE DISCLOSURE       Disclosed is a method for manufacturing carbon coated optical fiber including the steps of removing adherent foreign material from a surface of a bare optical fiber, and forming at least one carbon layer on the surface thereof using a chemical vapor deposition method. The first step is performed by heating and drying the surface of the bare optical fiber in predetermined temperature region to vaporize the adherent, foreign material while supplying an inert gas to the surface thereof so as to substitute the inert gas for the vaporized adherent foreign material. The second step is performed by thermally decomposing at least one hydrocarbon compound to obtain a thermal decomposate of the hydrocarbon, and depositing the thermal decomposate on the surface of the bare optical fiber. Also, disclosed is a method for manufacturing carbon coated optical fiber including the steps of cooling a surface of a bare optical fiber to a temperature no higher than 50 °C, and forming at least one carbon layer on the surface thereof using a chemical vapor deposition method. The cooling step is performed by supplying a cooled inert gas to the surface of the bare optical fiber.
Patent CA-2006953-C (CA)
Inventor: HUNTER ROBERT L
IPC: A61K38/16
Filed: 1989-12-29
Granted: 2000-10-03
Abstract: In accordance with the present invention, a method and composition is provided for treating pathological hydrophobic interactions in biological fluids in which there is acute impairment of the circulation, especially the microcirculation. More particularly, the present invention relates to compositions and methods for treating circulatory diseases comprising using certain ethylene oxide-propylene oxide condensation surface active copolymers either alone or in combination other compounds. The surface active copolymer can be an ethylene oxide-propylene oxide condensation product with the following general formula:      HO(C2H4O)b(C3H6O)a(C2H4O)b H wherein a is an integer such that the hydrophobe represented by (C3H6O) has a molecular weight of approximately 950 to 4000, preferably approximately 1750 to 3500, and b is an integer such that the hydrophile portion represented by (C2H4O) constitutes approximately 50% to 95% by weight of the compound.
Patent CA-2007243-C (CA)
Title: Writing instrument
Inventor: CHUANG CHENG-HWA
IPC: A63H33/08
Filed: 1990-01-05
Granted: 1998-07-21
Abstract: A writing instrument in which plural cartridges are fitted and coupled in series with each other in their longitudinal  direction  so  that  the  cartridges  are removable  from  each  other.  Each  of  the  cartridges comprises a tubular body having a tubular projection at one end of the tubular body and having an optionally shaped cross section, and a core unit inserted in the tubular projection so that the core unit is held in it. The tubular body has an insertion hole into which the tubular projection of the adjacent cartridge, which is coupled  to  the  tubular  body,  is  fitted  in  the longitudinal direction of each cartridge so that the tubular  projection  is  held  in  the  insertion  hole removably from it. The former tubular projection has an insertion hole in which the core unit of the adjacent cartridge is housed. The circumferential outside of the tubular body has at least one engagement projection and at least one engagement groove, each of which can be engaged with  the  engagement  groove  or  engagement projection of the tubular body of another cartridge so as to couple the cartridges in parallel with each other in their transverse direction removably from each other.
Patent CA-2012217-C (CA)
Title: Cryogenic rectification process for producing ultra high purity nitrogen
Inventor: CHEUNG HARRY
IPC: F25J3/04
Filed: 1990-03-15
Granted: 1993-12-14
Abstract: A process for producing ultra high purity nitrogen from nitrogen produced by the cryogenic rectification of air wherein superatomospheric nitrogen is progressively condensed and revaporized to effect rejection of lower boiling impurities without need for additional energy beyond that contained in the nitrogen input.
Patent CA-2012858-C (CA)
Inventor: WATANABE MASAHIRO
IPC: B32B3/12
Filed: 1990-03-22
Granted: 1998-12-01
Abstract: A corrugated fiberboard article having no wrinkles in the surface thereof is produced by previously forming slits or/and notches in at least one linerboard of corrugated fiberboard at predetermined positions, temporarily tacking the linerboard to the rest of the corrugated fiberboard with a fusible adhesive interposed therebetween, temporarily tacking an auxiliary sheet to the linerboard with a fusible adhesive interposed therebetween to form a corrugated fiberboard blank. The auxiliary sheet has an integral structure including covering portions which cover the slits or notches and cut portions each defined between each pair of adjacent covering portions. The corrugated fiberboard blank is formed by a forming die under heating.
Patent CA-2029305-C (CA)
Title: Granitic stone line artificial solid material
Inventor: KUBOTA YOSHIKAZU
IPC: D21H27/26
Filed: 1990-11-05
Granted: 2002-03-05
Abstract: A granitic stone (so-called Mikage-ishi)-like artificial solid material produced by impregnating a paper sheet having a granitic stone-like fleck pattern with a thermosetting resin to give a paper containing from 25 to 60 % by weight of the resin at the dry basis; drying the resin-impregnated paper sheet; and hot-pressing a laminate comprising a plurality of the dried sheet; is claimed, said paper mainly comprising (A) from 20 to 80 % by weight of cellulose pulp, (B) from 2 to 40 % by weight of an artificial fiber, (C) from 10 to 70 % by weight of an inorganic filler less than 10 µm in average diameter, and (D) from 1 to 30 % by weight of a fine-grained additive consisting of grains from 10 to 500 µm in average diameter, having a color hue different from that of the inorganic filler (C).        The granitic stone-like artificial solid material has an excellent machinability, workability, and physical properties(strength), as well as good-looking textures (inorganic material like appearance, expressing by itself heaviness, hardness, arid thickness; exhibits a very granitic stone-like looking as a whole) with an ornamental and luxurious appearance.
Patent CA-2034138-C (CA)
Title: Gripping head for loading packages into crates
Inventor: HAKANSSON BENGT
IPC: B65B35/38
Filed: 1991-01-18
Granted: 2003-05-20
Abstract: A gripping head for loading packages into a crate is disclosed having a number of support members attached to a frame. The support members each have a predetermined number of pneumatically operated suction cups for gripping packages that are intended for loading into a crate. Two of the support members are capable of pivoting movement on the frame in response to vertical movement of a center support member so as to allow the gripping head to deposit the packages into the crate in a manner that is economical and that allows efficient use of the crate space.
Patent CA-2036389-C (CA)
Title: Method of forming shaped components from mixtures of thermosetting binders and powders having a desired chemistry
Inventor: BRASEL GREGORY M
IPC: B22F1/10
Filed: 1990-05-25
Granted: 1999-03-30
Abstract: Shaped parts are formed from a powder having the desired chemistry of the finished part by mixing the powder with a thermosetting condensation resin that acts as a binder.  The resin may be partially catalyzed, or additives or surfactants added to improve rheology, mixing properties, or processing time.  Upon heating, the inherently low viscosity mixture will solidify without pressure being applied to it.  A rigid form is produced which is capable of being ejected from a mold.  Pre-sintered shapes or parts are made by injection molding, by using semi-permanent tooling, or by prototyping. Binder removal is accomplished by thermal means and without a separate de-binding step, despite the known heat resistance of thermosetting resins.  Removal is due to the film forming characteristic of the binder leaving open the part's pores, by providing oxidizing conditions within the part's pores as the part is heated, and by insuring that the evolving resin vapor diffuses through the pores by heating the part in a vacuum.
Patent CA-2037253-C (CA)
Title: Method and apparatus for producing snow using ultrasonic waves
Inventor: INOUE MASANORI
IPC: G10K13/00
Filed: 1991-02-27
Granted: 1995-09-19
Abstract: A method for producing snow comprises producing a group of waterdrops by jetting water or water together with compressed air from  a nozzle into the atmosphere of 0 °C or less, and freezing the group of waterdrops jetted by applying ultrasonic waves to the group of waterdrops.   An apparatus for producing snow comprises a jetting apparatus for producing a group of waterdrops by jetting water or water  together  with compressed air into the atmosphere of 0 °C  or less, and an ultrasonic wave generator for applying ultrasonic waves to the group of waterdrops jetted by the jetting apparatus.
Patent CA-2045771-C (CA)
Title: Lift weighing
Inventor: BRODRICK RONALD FARIS
IPC: B65F3/02
Filed: 1991-06-26
Granted: 1996-06-18
Abstract: The invention relates to the weighing of material being lifted by the fork of a truck or the like.  The weight of a mass which is being lifted, i.e. by the fork of a truck, may be usefully determined by means of strain gauges which are functionally interrelated with the lifting element.  The invention provides, in combination, mass support means, vehicle means and arm means which interconnect the mass support means with the vehicle means for relative movement therebetween.  Strain gauges are carried by the arm means.  In preferred embodiments, eight strain gauges are carried by a pair of generally upside down U shaped supports to which the fork is pivotally cantilevered, two strain gauges being matted on a front arm and two strain gauges on a back arm of each of the supports.
Patent CA-2046254-C (CA)
Title: Extended range cordless telephone system
Inventor: EVANS JAMES G
IPC: H04M1/00
Filed: 1991-07-04
Granted: 2000-03-07
Abstract: An extended operating range is provided for a portable or handset unit operating within a cordless telephone system. The system employs multiple base units and multiple handset units, with only one of the multiple base units being activated at a time for communicating with a given handset unit. Each of the multiple handset units has an assigned or dedicated base unit with which only it may communicate. Other shared base units with which all the multiple handset units may communicate axe also located in the system which supports multiple simultaneous users. An associated radio link control unit controls the activation and deactivation of the base units which are dispersed through a premises. This control unit also controls the connection of a voice path to the base unit actively communicating with a handset unit. As a user of a handset unit with a call in progress roams around the premises, this base unit monitors the quality of the signal received from the handset unit. If this signal quality deteriorates to below an acceptable level, the base unit notifies the radio link control unit which, in turn, initiates a polling procedure to identify and hand-off the communications to another base unit that is then receiving the signal from the handset unit with an acceptable signal quality. With no calls in progress, both base unit and handset unit transmitters are off thereby avoiding interference to other nearby cordless telephones. All receivers are active, however, in order to respond to incoming calls and service requests. Channel cycling and base unit polling procedures are advantageously employed to insure that incoming or outgoing calls are completed quickly, even though the location of a roaming handset unit may be unknown.
Patent CA-2050347-C (CA)
Title: Blackening of ni-based ftm shadow masks
Inventor: TONG HUA-SOU
IPC: H01J9/14
Filed: 1990-02-28
Granted: 2001-01-16
Abstract: The power handling capacity of nickel-iron-based flat tensioned foil shadow masks for flat faceplate cathode ray tubes (CRTs) is enhanced by providing the flat tensioned mask (FTM) with a thin surface layer which is enriched in nickel, which is converted to a nickel phosphide compound. nickel phosphide surface layer is formed on the mask by immersing the mask in a first bath of a strong reducing acid followed by immersing the mask in a second strong reducing acid having an effective amount of hypophosphite ion. The thin surface layer of a nickel phosphide compound increases the FTM emissivity and reduces FTM doming at high electron beam energies. The nickel phosphide compound may be stabilized in the frit-lehr cycle during CRT assembly or in a separate heating operation.
Patent CA-2050911-C (CA)
Title: Encapsulation process and products therefrom
Inventor: TICE THOMAS R
IPC: A61K9/16
Filed: 1990-05-02
Granted: 1997-07-15
Abstract: A method of microencapsulating an agent to form a microencapsulated product, having the steps of dispersing an effective amount of the agent in a solvent containing a dissolved wall forming material to form a dispersion, combining the dispersion with an effective amount of a continuous process medium to form an emulsion that contains the process medium and microdroplets having the agent, the solvent and the wall forming material and adding rapidly the emulsion to an effective amount of an extraction medium to extract the solvent from the microdroplets to form the microencapsulated product.
Patent CA-2051885-C (CA)
Title: Apparatus for measuring liquid
Inventor: OKU NARIHIRO
IPC: G01N35/00
Filed: 1991-09-20
Granted: 1995-06-13
Abstract: The present invention is directed to an apparatus for measuring a liquid, in particular, an apparatus for measuring blood corpuscles in a blood sample.  The advantages of the apparatus of the present invention over conventional measuring apparatus include the ability to efficiently carry out the solution collecting step and the ability to detect problems or unforeseen difficulties during the measurement steps.
Patent CA-2053188-C (CA)
Title: Power feed composition for forming refractory oxide thermal shock resis tant coating, process and article
Inventor: NITTA HIDEO
IPC: C23C4/10
Filed: 1991-10-10
Granted: 1997-12-16
Abstract: A thermal spray powder feed composition for forming a refractory oxide coating comprising a mixture of zirconium silicate and zirconia stabilized with a stabilizing oxide.  The as-deposited coating has a chemical composition of which by x-ray phase analysis comprises ZrSiO4 and ZrO2.x where x is selected from the group consisting of CaO, Y2O3, MgO, CeO2, and HfO2.
Patent CA-2054823-C (CA)
Title: Wastewater treatment
Inventor: WICKENS DENYS
IPC: C02F11/04
Filed: 1991-11-01
Granted: 1996-09-24
Abstract: A method for efficiently treating wastewater by aerobic  digestion whereby  on-site  oxygen  generating  equipment  continually  provides  a predetermined  quantity  of  dissolved  oxygen  to  the  wastewater,  the dissolved oxygen content being maintained at a predetermined level during peak flows by air being dissolved into the wastewater.  The method being used for upgrading the capacity of an existing plant to treat wastewater; increasing the scope of an existing plant to allow removal of biological nitrogen  and/or  phosphorus;  and  designing  new  wastewater  treatment plants.   Further efficiency  is  introduced  by  using  methane  produced, during  subsequent  anaerobic  digestion  of  the  wastewater,  to  fuel compressors or the like which provide the air to the wastewater.
Patent CA-2055211-C (CA)
Title: Fishing lure with rotational lateral fins
Inventor: BAZINET NORMAN L
IPC: A01K85/16
Filed: 1991-11-08
Granted: 1993-10-26
Abstract: ABSTRACT A fishing lure has a stream-lined elongated body generally simulating a fish.  The body has a head and a tail and the tail is thin and curved to one side when the lure is in an upright position.  Except for the curved tail, the lure is symmetrical about a vertical plane through a centre of said body.  There are two movable lateral fins located near the head, one lateral fin extending outward from each side of the body.  The lateral fins are pivotally mounted at a forward edge thereof so that a rear edge of each lateral fin can rotate upward or downward relative to the forward edge.  Upper and lower lugs limit the degree of rotation.  In addition, there are two stationary rear fins located between the lateral fins and the tail, there being one rear fin extending from either side of the body.  The lure has suitable hooks and two suspension points for attaching a fishing line.  The lure is particularly suitable for ice fishing and still fishing and moves through the water in a circular manner when the fishing line is moved vertically upward or downward.  The lateral fins impart a strong forward motion to the lure.  Previous lures designed for ice fishing do not move nearly as quickly through the water or do not cut as wide a circle.
Patent CA-2057971-C (CA)
Inventor: ELIA GERARDO P
IPC: B29D30/46
Filed: 1991-12-18
Granted: 2002-02-12
Abstract: A shuttle head which can be translated along a longitudinal axis between an assembly table and a lead-in table, wherein the shuttle head has a vacuum pick-up for picking up a ribbon of uncured elastomeric material. The shuttle head includes a pick-up plate having a plurality of apertures communicating with the source of vacuum. A cutting knife is provided on the edge of the assembly table for cutting the strip of ribbon, and the assembly table and cutting knife can be adjusted angularly with respect to the lead-in table. The pick-up plate has an inverted v-shaped edge at the leading end of the shuttle head immediate-ly adjacent the cutting knife, such as to allow a variety of angular displacements of the assembly table relative to the lead-in table without having to change the pick-up plate.
Patent CA-2067596-C (CA)
Title: System for monitorimg atm cross-connecting apparatus by inside-apparatus monitoring cell
Inventor: TAKIZAWA YUJI
IPC: H04L12/70
Filed: 1992-04-29
Granted: 1997-12-30
Abstract: A system for monitoring an ATM cross-connecting apparatus by inputting a test cell through a path for a main signal into the ATM cross-connecting apparatus, and examining the cell after the cell passed through the ATM cross-connecting apparatus. An initial value of a PN sequence and the PN sequence generated based on the initial bit sequence is written in the test cell before inputting to the ATM cross-connecting apparatus. When examining the test cell, the initial bit sequence and the PN sequence are read from the cell, a PN sequence is generated based on the initial bit sequence, and is then compared with the PN sequence read from the test cell to detect an error in the test cell. In addition, a bit pattern indicating a primitive polynomial to generate the PN sequence may be written in the test cell. In this case, the bit pattern is used for generating the PN sequence when examining the test cell. Further, the same VPI values may be written in both the header and the information field of the test cell before inputting the cell to the ATM cross-connecting apparatus, and the VPI value in the information field is compared with a VPI value in the header of the test cell when examining the test cell.